Lowpass
低通滤波器
🗣️ 情景例句
at my junior high school graduation.
在我初中毕业的时候。
I must apologize for his unusual behavior.
我必须为他怪诞的行为致歉。
Don't thank goodness! Thank this good girl!
不要谢天谢地！要谢这位好姑娘！